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Como Potw

Sewage treatment plant, Como, Mississippi. NPDES permit MS0030104 expired Oct 31, 2026. Last 12 months: over a limit 6 times (last March 2026), 74 required values missing, 2 of 3 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form Q quarterly
Last report on file
March 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 3 of 4 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
March 2026BOD, 5-day, 20 deg. C, monthly average49 mg/L≤ 45 mg/L9%
March 2026BOD, 5-day, 20 deg. C, monthly average49 mg/L≤ 45 mg/L9%
March 2026Coliform, fecal general, monthly average2420 #/100mL≤ 2000 #/100mL21%
March 2026Coliform, fecal general, monthly average2420 #/100mL≤ 2000 #/100mL21%
March 2026Solids, total suspended, monthly average92 mg/L≤ 90 mg/L2%
March 2026Solids, total suspended, monthly average92 mg/L≤ 90 mg/L2%

Limits in force (37)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly maximum≤ 90 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 94 lb/dall year
BOD, 5-day, 20 deg. Cmonthly maximum≤ 188 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cmonthly maximumreport only (lb/d)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 90 mg/Lall year
Solids, total suspendedmonthly maximum≤ 135 mg/Lall year
Solids, total suspendedmonthly average≤ 188 lb/dall year
Solids, total suspendedmonthly maximum≤ 281 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly maximumreport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendedmonthly maximumreport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 25 mg/Lall year
Nitrogen, ammonia total [as N]monthly maximum≤ 38 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 52 lb/dall year
Nitrogen, ammonia total [as N]monthly maximum≤ 79 lb/dall year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly maximumreport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly average≤ .25 MGDall year
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .012 mg/Lall year
Chlorine, total residualmonthly maximum≤ .02 mg/Lall year
Chlorine, total residualmonthly average≤ .03 lb/dall year
Chlorine, total residualmonthly maximum≤ .04 lb/dall year
Coliform, fecal generalmonthly average≤ 2000 #/100mLall year
Coliform, fecal generalmonthly maximum≤ 4000 #/100mLall year
BOD, 5-day, percent removalminimumreport only (%)all year
Solids, suspended percent removalminimumreport only (%)all year

How strict are these limits?

Cited limits by parameter: Mississippi's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0030104 · MCP: https://passage-data.com/mcp